try...finally in JavaScript and TypeScript
In JavaScript, you can use try...finally to ensure that certain cleanup code runs regardless of whether an error occurs. This is useful for releasing resources like memory, files, or network connections. Example: Using try...finally for Cleanup Here's an example of how you might use try...finally to ensure that a file is closed after it has been read, regardless of whether an error occurs during the reading process: const fs = require ( 'fs' ); function readFile ( filePath ) { let fileDescriptor ; try { fileDescriptor = fs . openSync ( filePath , 'r' ); const buffer = Buffer . alloc ( 1024 ); fs . readSync ( fileDescriptor , buffer , 0 , buffer . length , 0 ); console . log ( buffer . toString ()); } catch ( error ) { onsole . error ( 'Error reading file:' , error ); } finally { if ( fileDescriptor !== undefined ) { fs...